Home / 15,914,911.62-21,962,578.02-8,671,567.62

Finding the Fourth Proportional to 15,914,911.62, 21,962,578.02 and 8,671,567.62

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Solution

The fourth proportional to 15,914,911.62, 21,962,578.02 and 8,671,567.62 is: 11,966,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914,911.62 : 21,962,578.02 = 8,671,567.62 : x
  2. Step 2: Convert to fraction form
    15,914,911.62/21,962,578.02 = 8,671,567.62/x
  3. Step 3: Cross multiply
    15,914,911.62x = 21,962,578.02 × 8,671,567.62
  4. Step 4: Simplify right side
    15,914,911.62x = 190,449,980,409,955.69
  5. Step 5: Solve for x
    x = 190,449,980,409,955.69/15,914,911.62
  6. Step 6: Final answer
    x = 11,966,763.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.